make sure we use certificate_authority version 0.2.0
Merge pull request #24 from leapcode/feature/fix-certs

make sure we use certificate_authority version 0.2.0
using ruby-srp 0.1.5 SRP::Client to wrap user in session
we don't add srp stuff to user class anymore

warden srp strategy in lib has it all.
Merge pull request #25 from leapcode/feature/keep-session-small

Ensure user data does not clutter session[:handshake]
Merge branch 'master' into feature/use-couchrest-session-store